A 64-channel wide dynamic range charge measurement ASIC for strip and pixel ionization detectors

@article{Mazza2004A6W,
  title={A 64-channel wide dynamic range charge measurement ASIC for strip and pixel ionization detectors},
  author={Giovanni Mazza and R. Cirio and M. Donetti and Alessandro La Rosa and Antonella Luparia and F. Marchetto and C. Peroni},
  journal={IEEE Transactions on Nuclear Science},
  year={2004},
  volume={52},
  pages={847-853}
}
In this paper we report a 64-channel application specified integrated circuit (ASIC) for the readout of parallel plate strip and pixel ionization detectors. The detectors measure the intensity and the geometrical characteristics of a hadron beam for hadrontherapy cancer treatments. The ASIC is based on a current to frequency converter followed by a counter. It uses a charge balancing integration technique to obtain a dynamic range in excess of 10/sup 5/ with a nonlinearity of less than 1%. The… CONTINUE READING

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